There are large handoff latency and the packet being easier to lose on mobile IP handoff.
移动IP切换存在切换延迟大，数据包易丢失的问题。
The mobile IP handoff technology is one of the most important technologies in the 3G and 4G.
其中移动IP技术就是3G乃至4G移动通信网络的重要技术之一。
A fast Mobile IP handoff scheme, combined hierarchical foreign agent management with forwarding pointer chain, is proposed to improve traffic QOS while MH handoffs frequently.
提出了一种结合层次外部代理管理和转发指针链的快速的移动IP切换算法，以改善MH频繁切换时业务的QOS。
An LSP extension mechanism is proposed to decrease the signaling overhead and handoff delay and to eliminate the packet loss in MPLS based mobile IP networks.
为了减小基于MPLS的移动IP网络的信令开销、切换时延和切换丢包，人们提出了一种称为LSP扩展的移动性管理机制。
Compared with complex wireless cell networks, the mobility management and handoff in mobile IP is very simple.
与复杂的无线蜂窝网相比，移动IP的移动管理和切换非常简单，并能支持异质网络间的漫游。
But the current Mobile IP solution still has some problem in the aspects of route, handoff and registration.
但现有的移动IP解决方案在路由、切换、注册等方面还不够优化。
Handoff latency is a key problem that holds back the application of mobile IP.
移动IP技术中的切换延时是阻碍移动IP技术广泛应用的关键问题。
Among the schemes of mobile IP and RSVP integration, common router's computation is the key to reduce RSVP path handoff delay and end-to-end cost.
在移动IP和RSVP相互集成的方案中，为减少RSVP路径切换延迟，降低端端路径代价，公共路由器的选择是一个关键。
We introduce the frame of cellular mobile IP network and give some solutions about handoff.
给出了蜂窝移动IP网络的构架，对其提出了相应的越区切换的解决方案。
Numerical results show that the chained foreign agent hierarchical mobile IP scheme outperforms the other two under small home handoff threshold.
数值结果表明，链状外地代理的分层移动IP方案适用于家乡切换门限值较小时的移动场景。
In order to satisfy real-time applications, L2-Trigger has been proposed by some literatures to trigger layer 3 handoff ahead to decrease the handoff delay of mobile IP.
为了使移动IP可满足实时应用，有文献提出采用二层触发器的方法提前触发三层切换，但是这些方法存在指示不准确、触发方法不明确等问题。
The result shows that although Mobile IP may be appropriate for macro mobility applications, its long handoff periods make it unsuitable for micro mobility support.
通过仿真，认为移动IP基本满足网络宏移动的应用，但对于将来的微蜂窝网络下的快速移动应用还不能很好地支持。
Nevertheless, Mobile IP is not designed to support fast handoff and seamless mobility in handoff-intensive environments.
然而，移动IP并没有被设计来支持切换频繁环境中的快速和无缝切换。
Nevertheless, Mobile IP is not designed to support fast handoff and seamless mobility in handoff-intensive environments.
然而，移动IP并没有被设计来支持切换频繁环境中的快速和无缝切换。
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